//
//  ViewController.m
//  GpuImageDemo
//
//  Created by 刘星佐 on 16/9/20.
//  Copyright © 2016年 刘星佐. All rights reserved.
//

#import "ViewController.h"
#import "GPUImage.h"

@interface ViewController ()
@property (strong, nonatomic)  GPUImageView *originalImageA;
@property (strong, nonatomic)  GPUImageView *originalImageB;
@property (strong, nonatomic)  GPUImageVideoCamera *videoCamera;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    CGRect rect = self.view.bounds;
    rect.size.height *= 0.5;
    _originalImageA = [[GPUImageView alloc]initWithFrame:rect];
    rect.origin.y = rect.size.height;
    _originalImageB = [[GPUImageView alloc]initWithFrame:rect];
    [self.view addSubview:_originalImageA];
    [self.view addSubview:_originalImageB];
    
    _videoCamera = [[GPUImageVideoCamera alloc]initWithSessionPreset:AVCaptureSessionPreset640x480 cameraPosition:AVCaptureDevicePositionFront];
    _videoCamera.frameRate = 30;
    _videoCamera.outputImageOrientation = UIInterfaceOrientationPortrait;
    [_videoCamera addTarget:_originalImageA];
    
#if 0
    //高斯模糊
    GPUImageGaussianBlurFilter* gaussian = [[GPUImageGaussianBlurFilter alloc]init];
    filter = gaussian;
#endif
    
#if 0
    GPUImageBrightnessFilter* brightness = [[GPUImageBrightnessFilter alloc]init];
    brightness.brightness = 0.4;
    filter = brightness;
#endif
    
#if 0
    //伽马线
    GPUImageGammaFilter* gamma = [[GPUImageGammaFilter alloc]init];
    gamma.gamma = 2.0;
    filter = gamma;
#endif
    
#if 0
    //#import "GPUImageAverageLuminanceThresholdFilter.h" //像素色值亮度平均，图像黑白（有类似漫画效果）
    GPUImageAverageLuminanceThresholdFilter* average = [[GPUImageAverageLuminanceThresholdFilter alloc]init];
    average.thresholdMultiplier = 0.5;
    filter = average;
#endif
    
#if 0 //高斯模糊，选择部分清晰
    GPUImageGaussianSelectiveBlurFilter* gaussianselective = [[GPUImageGaussianSelectiveBlurFilter alloc]init];
    filter = gaussianselective;
#endif
    
#if 0  //盒状模糊
    GPUImageBoxBlurFilter* boxblur = [[GPUImageBoxBlurFilter alloc]init];
    filter = boxblur;
#endif
    
#if 0
    GPUImageMedianFilter* median = [[GPUImageMedianFilter alloc]init];
    filter = median;
#endif
    
#if 0
    GPUImageBulgeDistortionFilter* filter = [[GPUImageBulgeDistortionFilter alloc]init];
#endif
    
#if 0
    GPUImageMotionDetector* filter = [[GPUImageMotionDetector alloc]init];
#endif
    
#if 0
    GPUImageHarrisCornerDetectionFilter* filter = [[GPUImageHarrisCornerDetectionFilter alloc]init];
#endif
    
#if 0
    GPUImageXYDerivativeFilter* filter = [[GPUImageXYDerivativeFilter alloc]init];
    _filter = filter;
#endif
    
#if 0
    GPUImageSobelEdgeDetectionFilter* filter = [[GPUImageSobelEdgeDetectionFilter alloc]init];
    _filter = filter;
#endif
    
#if 0
    GPUImageThresholdEdgeDetectionFilter* filter = [[GPUImageThresholdEdgeDetectionFilter alloc]init];
#endif
    
#if 0
    GPUImageNobleCornerDetectionFilter* filter = [[GPUImageNobleCornerDetectionFilter alloc]init];
#endif
    
#if 0
    GPUImageSketchFilter* filter = [[GPUImageSketchFilter alloc]init];
#endif
    
#if 0
    GPUImageThresholdSketchFilter* filter = [[GPUImageThresholdSketchFilter alloc]init];
#endif
#if 0
    GPUImageToonFilter* filter = [[GPUImageToonFilter alloc]init];
#endif
    
#if 0
    GPUImageKuwaharaFilter* filter = [[GPUImageKuwaharaFilter alloc]init];
#endif
    
#if 0
    GPUImageBilateralFilter* filter = [[GPUImageBilateralFilter alloc]init];
#endif
    
#if 0
    GPUImageCannyEdgeDetectionFilter* filter = [[GPUImageCannyEdgeDetectionFilter alloc]init];
#endif
    
    
    
#if 0
    GPUImageHSBFilter* filter = [[GPUImageHSBFilter alloc]init];
#endif
    
#if 0
    GPUImage3x3ConvolutionFilter* filter = [[GPUImage3x3ConvolutionFilter alloc]init];
#endif
    
#if 1
    GPUImageColorPackingFilter* filter = [[GPUImageColorPackingFilter alloc]init];
#endif
    
//#if 1
//    GPUImageBeautifyFilter* filter = [[GPUImageBeautifyFilter alloc]init];
//#endif
    
#if 1
    [_videoCamera addTarget:filter];
    
    [filter addTarget:_originalImageB];
#endif
    [_videoCamera startCameraCapture];
    
    
    
}

-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
    static bool touch;
    touch = !touch;
    if (touch) {
        [_videoCamera setCaptureSessionPreset:AVCaptureSessionPreset1280x720];
    }else{
        [_videoCamera setCaptureSessionPreset:AVCaptureSessionPreset640x480];
    }
}

@end
/*
 
 #import "GLProgram.h"
 
 // Base classes
 #import "GPUImageOutput.h"
 #import "GPUImageView.h"
 #import "GPUImageVideoCamera.h"
 #import "GPUImageStillCamera.h"
 #import "GPUImageMovie.h"
 #import "GPUImagePicture.h"
 #import "GPUImageRawDataInput.h"
 #import "GPUImageRawDataOutput.h"
 #import "GPUImageMovieWriter.h"
 #import "GPUImageFilterPipeline.h"
 #import "GPUImageTextureOutput.h"
 #import "GPUImageFilterGroup.h"
 #import "GPUImageTextureInput.h"
 #import "GPUImageUIElement.h"
 #import "GPUImageBuffer.h"
 
 // Filters
 #import "GPUImageFilter.h"
 #import "GPUImageTwoInputFilter.h"
 
 
 #pragma mark - 调整颜色 Handle Color
 
 #import "GPUImageBrightnessFilter.h"                //亮度
 #import "GPUImageExposureFilter.h"                  //曝光
 #import "GPUImageContrastFilter.h"                  //对比度
 #import "GPUImageSaturationFilter.h"                //饱和度
 #import "GPUImageGammaFilter.h"                     //伽马线
 #import "GPUImageColorInvertFilter.h"               //反色
 #import "GPUImageSepiaFilter.h"                     //褐色（怀旧）
 #import "GPUImageLevelsFilter.h"                    //色阶
 #import "GPUImageGrayscaleFilter.h"                 //灰度
 #import "GPUImageHistogramFilter.h"                 //色彩直方图，显示在图片上
 #import "GPUImageHistogramGenerator.h"              //色彩直方图
 #import "GPUImageRGBFilter.h"                       //RGB
 #import "GPUImageToneCurveFilter.h"                 //色调曲线
 #import "GPUImageMonochromeFilter.h"                //单色
 #import "GPUImageOpacityFilter.h"                   //不透明度
 #import "GPUImageHighlightShadowFilter.h"           //提亮阴影
 #import "GPUImageFalseColorFilter.h"                //色彩替换（替换亮部和暗部色彩）
 #import "GPUImageHueFilter.h"                       //色度
 #import "GPUImageChromaKeyFilter.h"                 //色度键
 #import "GPUImageWhiteBalanceFilter.h"              //白平横
 #import "GPUImageAverageColor.h"                    //像素平均色值
 #import "GPUImageSolidColorGenerator.h"             //纯色
 #import "GPUImageLuminosity.h"                      //亮度平均
 #import "GPUImageAverageLuminanceThresholdFilter.h" //像素色值亮度平均，图像黑白（有类似漫画效果）
 
 #import "GPUImageLookupFilter.h"                    //lookup 色彩调整
 #import "GPUImageAmatorkaFilter.h"                  //Amatorka lookup
 #import "GPUImageMissEtikateFilter.h"               //MissEtikate lookup
 #import "GPUImageSoftEleganceFilter.h"              //SoftElegance lookup
 
 
 
 
 #pragma mark - 图像处理 Handle Image
 
 #import "GPUImageCrosshairGenerator.h"              //十字
 #import "GPUImageLineGenerator.h"                   //线条
 
 #import "GPUImageTransformFilter.h"                 //形状变化
 #import "GPUImageCropFilter.h"                      //剪裁
 #import "GPUImageSharpenFilter.h"                   //锐化
 #import "GPUImageUnsharpMaskFilter.h"               //反遮罩锐化
 
 #import "GPUImageGaussianBlurFilter.h"              //高斯模糊
 #import "GPUImageGaussianSelectiveBlurFilter.h"     //高斯模糊，选择部分清晰
 #import "GPUImageBoxBlurFilter.h"                   //盒状模糊
 #import "GPUImageTiltShiftFilter.h"                 //条纹模糊，中间清晰，上下两端模糊
 #import "GPUImageMedianFilter.h"                    //中间值，有种稍微模糊边缘的效果
 #import "GPUImageBilateralFilter.h"                 //双边模糊
 #import "GPUImageErosionFilter.h"                   //侵蚀边缘模糊，变黑白
 #import "GPUImageRGBErosionFilter.h"                //RGB侵蚀边缘模糊，有色彩
 #import "GPUImageDilationFilter.h"                  //扩展边缘模糊，变黑白
 #import "GPUImageRGBDilationFilter.h"               //RGB扩展边缘模糊，有色彩
 #import "GPUImageOpeningFilter.h"                   //黑白色调模糊
 #import "GPUImageRGBOpeningFilter.h"                //彩色模糊
 #import "GPUImageClosingFilter.h"                   //黑白色调模糊，暗色会被提亮
 #import "GPUImageRGBClosingFilter.h"                //彩色模糊，暗色会被提亮
 #import "GPUImageLanczosResamplingFilter.h"         //Lanczos重取样，模糊效果
 #import "GPUImageNonMaximumSuppressionFilter.h"     //非最大抑制，只显示亮度最高的像素，其他为黑
 #import "GPUImageThresholdedNonMaximumSuppressionFilter.h" //与上相比，像素丢失更多
 
 #import "GPUImageSobelEdgeDetectionFilter.h"        //Sobel边缘检测算法(白边，黑内容，有点漫画的反色效果)
 #import "GPUImageCannyEdgeDetectionFilter.h"        //Canny边缘检测算法（比上更强烈的黑白对比度）
 #import "GPUImageThresholdEdgeDetectionFilter.h"    //阈值边缘检测（效果与上差别不大）
 #import "GPUImagePrewittEdgeDetectionFilter.h"      //普瑞维特(Prewitt)边缘检测(效果与Sobel差不多，貌似更平滑)
 #import "GPUImageXYDerivativeFilter.h"              //XYDerivative边缘检测，画面以蓝色为主，绿色为边缘，带彩色
 #import "GPUImageHarrisCornerDetectionFilter.h"     //Harris角点检测，会有绿色小十字显示在图片角点处
 #import "GPUImageNobleCornerDetectionFilter.h"      //Noble角点检测，检测点更多
 #import "GPUImageShiTomasiFeatureDetectionFilter.h" //ShiTomasi角点检测，与上差别不大
 #import "GPUImageMotionDetector.h"                  //动作检测
 #import "GPUImageHoughTransformLineDetector.h"      //线条检测
 #import "GPUImageParallelCoordinateLineTransformFilter.h" //平行线检测
 
 #import "GPUImageLocalBinaryPatternFilter.h"        //图像黑白化，并有大量噪点
 
 #import "GPUImageLowPassFilter.h"                   //用于图像加亮
 #import "GPUImageHighPassFilter.h"                  //图像低于某值时显示为黑
 
 
 #pragma mark - 视觉效果 Visual Effect
 
 #import "GPUImageSketchFilter.h"                    //素描
 #import "GPUImageThresholdSketchFilter.h"           //阀值素描，形成有噪点的素描
 #import "GPUImageToonFilter.h"                      //卡通效果（黑色粗线描边）
 #import "GPUImageSmoothToonFilter.h"                //相比上面的效果更细腻，上面是粗旷的画风
 #import "GPUImageKuwaharaFilter.h"                  //桑原(Kuwahara)滤波,水粉画的模糊效果；处理时间比较长，慎用
 
 #import "GPUImageMosaicFilter.h"                    //黑白马赛克
 #import "GPUImagePixellateFilter.h"                 //像素化
 #import "GPUImagePolarPixellateFilter.h"            //同心圆像素化
 #import "GPUImageCrosshatchFilter.h"                //交叉线阴影，形成黑白网状画面
 #import "GPUImageColorPackingFilter.h"              //色彩丢失，模糊（类似监控摄像效果）
 
 #import "GPUImageVignetteFilter.h"                  //晕影，形成黑色圆形边缘，突出中间图像的效果
 #import "GPUImageSwirlFilter.h"                     //漩涡，中间形成卷曲的画面
 #import "GPUImageBulgeDistortionFilter.h"           //凸起失真，鱼眼效果
 #import "GPUImagePinchDistortionFilter.h"           //收缩失真，凹面镜
 #import "GPUImageStretchDistortionFilter.h"         //伸展失真，哈哈镜
 #import "GPUImageGlassSphereFilter.h"               //水晶球效果
 #import "GPUImageSphereRefractionFilter.h"          //球形折射，图形倒立
 
 #import "GPUImagePosterizeFilter.h"                 //色调分离，形成噪点效果
 #import "GPUImageCGAColorspaceFilter.h"             //CGA色彩滤镜，形成黑、浅蓝、紫色块的画面
 #import "GPUImagePerlinNoiseFilter.h"               //柏林噪点，花边噪点
 #import "GPUImage3x3ConvolutionFilter.h"            //3x3卷积，高亮大色块变黑，加亮边缘、线条等
 #import "GPUImageEmbossFilter.h"                    //浮雕效果，带有点3d的感觉
 #import "GPUImagePolkaDotFilter.h"                  //像素圆点花样
 #import "GPUImageHalftoneFilter.h"                  //点染,图像黑白化，由黑点构成原图的大致图形
 
 
 #pragma mark - 混合模式 Blend
 
 #import "GPUImageMultiplyBlendFilter.h"             //通常用于创建阴影和深度效果
 #import "GPUImageNormalBlendFilter.h"               //正常
 #import "GPUImageAlphaBlendFilter.h"                //透明混合,通常用于在背景上应用前景的透明度
 #import "GPUImageDissolveBlendFilter.h"             //溶解
 #import "GPUImageOverlayBlendFilter.h"              //叠加,通常用于创建阴影效果
 #import "GPUImageDarkenBlendFilter.h"               //加深混合,通常用于重叠类型
 #import "GPUImageLightenBlendFilter.h"              //减淡混合,通常用于重叠类型
 #import "GPUImageSourceOverBlendFilter.h"           //源混合
 #import "GPUImageColorBurnBlendFilter.h"            //色彩加深混合
 #import "GPUImageColorDodgeBlendFilter.h"           //色彩减淡混合
 #import "GPUImageScreenBlendFilter.h"               //屏幕包裹,通常用于创建亮点和镜头眩光
 #import "GPUImageExclusionBlendFilter.h"            //排除混合
 #import "GPUImageDifferenceBlendFilter.h"           //差异混合,通常用于创建更多变动的颜色
 #import "GPUImageSubtractBlendFilter.h"             //差值混合,通常用于创建两个图像之间的动画变暗模糊效果
 #import "GPUImageHardLightBlendFilter.h"            //强光混合,通常用于创建阴影效果
 #import "GPUImageSoftLightBlendFilter.h"            //柔光混合
 #import "GPUImageChromaKeyBlendFilter.h"            //色度键混合
 #import "GPUImageMaskFilter.h"                      //遮罩混合
 #import "GPUImageHazeFilter.h"                      //朦胧加暗
 #import "GPUImageLuminanceThresholdFilter.h"        //亮度阈
 #import "GPUImageAdaptiveThresholdFilter.h"         //自适应阈值
 #import "GPUImageAddBlendFilter.h"                  //通常用于创建两个图像之间的动画变亮模糊效果
 #import "GPUImageDivideBlendFilter.h"               //通常用于创建两个图像之间的动画变暗模糊效果
 
 */
